MCQOPTIONS
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MCQOPTIONS
This section includes 1357 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
A highest point in a wave is its |
| A. | troughs |
| B. | crest |
| C. | wave length |
| D. | wave direction |
| Answer» C. wave length | |
| 52. |
A rise in sea level near the shore due to strong winds is called |
| A. | swell |
| B. | tsunami |
| C. | storm urge |
| D. | whitecap |
| Answer» D. whitecap | |
| 53. |
The area where the wave tumble first is called |
| A. | surf |
| B. | breaker |
| C. | undertow |
| D. | long shore |
| Answer» C. undertow | |
| 54. |
The surface facing the moon needs to come back on same place after |
| A. | 24 hours |
| B. | 48 hours |
| C. | 56 hours |
| D. | 12 hours |
| Answer» B. 48 hours | |
| 55. |
The area between two breaker zones is called |
| A. | surf |
| B. | breaker |
| C. | undertow |
| D. | long shore |
| Answer» B. breaker | |
| 56. |
Oil tankers are now built with double hulls instead of one to avoid |
| A. | oil spill |
| B. | exposure of air |
| C. | high cost |
| D. | long distance |
| Answer» B. exposure of air | |
| 57. |
Groups of marine life includes |
| A. | plankton |
| B. | nekton |
| C. | Benthos |
| D. | all of them |
| Answer» E. | |
| 58. |
The zone which included volume of water of entire ocean floor excluding continental shift is the |
| A. | abyssal zone |
| B. | hadal zone |
| C. | neritic zone |
| D. | oceanic zone |
| Answer» E. | |
| 59. |
Due to public outcry USA now reserves $ 130 million for |
| A. | defense |
| B. | army |
| C. | cosmetics |
| D. | ocean protection |
| Answer» E. | |
| 60. |
In 1989 a treaty was signed by 64 countries in regard to |
| A. | digging in ocean |
| B. | dumping in ocean |
| C. | fishing in ocean |
| D. | farming in ocean |
| Answer» C. fishing in ocean | |
| 61. |
Bathymetric profile is referred to as map which shows ocean's |
| A. | height |
| B. | depth |
| C. | length |
| D. | width |
| Answer» C. length | |
| 62. |
With the separation of tectonic plates there is formation of |
| A. | mid-ocean ridge |
| B. | rift valley |
| C. | seamount |
| D. | ocean trench |
| Answer» C. seamount | |
| 63. |
The largest ocean in world is the |
| A. | Pacific Ocean |
| B. | Arctic Ocean |
| C. | Indian Ocean |
| D. | Atlantic Ocean |
| Answer» B. Arctic Ocean | |
| 64. |
The percentage of chlorine in an ocean water is |
| A. | 0.55 |
| B. | 0.077 |
| C. | 0.306 |
| D. | 0.033 |
| Answer» B. 0.077 | |
| 65. |
The second layer of ocean water is called |
| A. | surface zone |
| B. | thermo cline |
| C. | secondary zone |
| D. | deep zone |
| Answer» C. secondary zone | |
| 66. |
The planet which is not regarded as gas giant is the |
| A. | Uranus |
| B. | Neptune |
| C. | Jupiter |
| D. | Pluto |
| Answer» E. | |
| 67. |
The distance of earth from sun is |
| A. | just right |
| B. | disturbing |
| C. | alarming |
| D. | unreasonable |
| Answer» B. disturbing | |
| 68. |
Iron and nickel is present in |
| A. | Stony meteorite |
| B. | Metallic meteorite |
| C. | new meteorite |
| D. | older meteorite |
| Answer» C. new meteorite | |
| 69. |
The only planet in outer solar system which is dense and small is the |
| A. | Uranus |
| B. | Neptune |
| C. | Jupiter |
| D. | Pluto |
| Answer» E. | |
| 70. |
The outer most layer of Venus is comprises of |
| A. | sulfuric acid |
| B. | gases |
| C. | flares |
| D. | fumes |
| Answer» B. gases | |
| 71. |
The Sun rises in Venus from |
| A. | West |
| B. | East |
| C. | North |
| D. | South |
| Answer» B. East | |
| 72. |
A system which allows scientists to rate the hazard level of object coming towards earth is called |
| A. | Torino scale |
| B. | Spacecraft |
| C. | Mission |
| D. | Rector Scale |
| Answer» B. Spacecraft | |
| 73. |
The value represented by color orange is |
| A. | 1 |
| B. | 2,3,4 |
| C. | 5,6,7 |
| D. | 8,9,10 |
| Answer» D. 8,9,10 | |
| 74. |
The largest satellite as compare to its planet in whole solar system is the |
| A. | Europa |
| B. | Ganymede |
| C. | Calistro |
| D. | Charon |
| Answer» E. | |
| 75. |
The comet tail is made up of the charged particles called |
| A. | electrons |
| B. | protons |
| C. | neutrons |
| D. | ions |
| Answer» E. | |
| 76. |
On a comparison between earthquakes of solid and liquid it was found waves will travel faster through |
| A. | solid |
| B. | liquid |
| C. | molten |
| D. | gas |
| Answer» B. liquid | |
| 77. |
The tectonically active volcanic mountain of Pacific Ocean is regarded as |
| A. | Ring of Fire |
| B. | mountain of fire |
| C. | Ring of volcano |
| D. | Island of volcano |
| Answer» B. mountain of fire | |
| 78. |
If there occurs a collision between two tectonic plates with continental crust collision it is the |
| A. | continental-continental collision |
| B. | continental-oceanic collision |
| C. | oceanic-oceanic collision |
| D. | moving apart |
| Answer» B. continental-oceanic collision | |
| 79. |
As the sea floor widen out and get separated from mid-ocean ridge, it carries a record of |
| A. | magnetic reversal |
| B. | electric reversal |
| C. | thermal reversal |
| D. | static |
| Answer» B. electric reversal | |
| 80. |
When the poles of Earth replace their poles the change is referred to as |
| A. | magnetic reversal |
| B. | electric reversal |
| C. | thermal reversal |
| D. | static |
| Answer» B. electric reversal | |
| 81. |
The strong lower part of mantle is regarded as |
| A. | lithosphere |
| B. | asthenosphere |
| C. | mesosphere |
| D. | tectonic plates |
| Answer» D. tectonic plates | |
| 82. |
The solid and dense center of Earth which extends to the center of Earth is the |
| A. | outer core |
| B. | inner core |
| C. | mesosphere |
| D. | asthenosphere |
| Answer» C. mesosphere | |
| 83. |
Core doesn't contain |
| A. | silicon |
| B. | nickel |
| C. | oxygen |
| D. | iron |
| Answer» D. iron | |
| 84. |
The total percentage of mantle of earth's surface is |
| A. | 0.67 |
| B. | 0.01 |
| C. | 0.33 |
| D. | 0.45 |
| Answer» B. 0.01 | |
| 85. |
The estimate thickness of outer most layers of earth is 5 to |
| A. | 10 km |
| B. | 100 km |
| C. | 1000 km |
| D. | 7 km |
| Answer» C. 1000 km | |
| 86. |
Some limestone is made of the skeleton of tiny organisms known as |
| A. | Coral |
| B. | Bacteria |
| C. | Virus |
| D. | Fungi |
| Answer» B. Bacteria | |
| 87. |
The largest of all igneous intrusions are |
| A. | Stock |
| B. | Batholith |
| C. | Plutons |
| D. | Sill |
| Answer» C. Plutons | |
| 88. |
Rocks formed from the remains of once-living plants and animals are called |
| A. | Clastic Sedimentary Rock |
| B. | Chemical Sedimentary Rock |
| C. | Organic Sedimentary Rock |
| D. | Inorganic Sedimentary Rock |
| Answer» D. Inorganic Sedimentary Rock | |
| 89. |
Rocks formed from dissolved minerals and water are known as |
| A. | Clastic Sedimentary Rock |
| B. | Chemical Sedimentary Rock |
| C. | Organic Sedimentary Rock |
| D. | Inorganic Sedimentary Rock |
| Answer» C. Organic Sedimentary Rock | |
| 90. |
Contact metamorphism generally occurs near |
| A. | igneous extrusions |
| B. | sediment intrusions |
| C. | igneous intrusions |
| D. | sediment extrusions |
| Answer» D. sediment extrusions | |
| 91. |
When the lighter materials from the surrounding gathered and rose, there is found creation of |
| A. | ocean |
| B. | dunes |
| C. | continent |
| D. | island |
| Answer» D. island | |
| 92. |
The elongated circle along which Mars move around the sun is regarded as |
| A. | ellipse |
| B. | revolution |
| C. | rotation |
| D. | orbiting |
| Answer» A. ellipse | |
| 93. |
A spinning of any body around its own axis is called its |
| A. | movement |
| B. | revolution |
| C. | rotation |
| D. | orbiting |
| Answer» D. orbiting | |
| 94. |
The sun has approximate age of |
| A. | 4.6 billion years |
| B. | 2 billion years |
| C. | 4 billion year |
| D. | 6.4 billion years |
| Answer» B. 2 billion years | |
| 95. |
The surface of sun is shrinking due to |
| A. | heat |
| B. | light |
| C. | pressure |
| D. | gravity |
| Answer» E. | |
| 96. |
The upward pushing of aircraft by engine is called its |
| A. | velocity |
| B. | centrifugal force |
| C. | gravity |
| D. | thrust |
| Answer» E. | |
| 97. |
John Glen was the first man who |
| A. | went in space |
| B. | orbit the earth |
| C. | went on moon |
| D. | died in first flight |
| Answer» C. went on moon | |
| 98. |
Landsat program began in |
| A. | 1972 |
| B. | 2003 |
| C. | 1973 |
| D. | 1937 |
| Answer» B. 2003 | |
| 99. |
The flight of first space craft lasted for |
| A. | 180 mins |
| B. | 108 mins |
| C. | 80 mins |
| D. | 8 mins |
| Answer» B. 108 mins | |
| 100. |
A long-term platform which provides medium for research in space is called |
| A. | space craft |
| B. | space station |
| C. | spaceshuttle |
| D. | space satellite |
| Answer» C. spaceshuttle | |